Buscar
Itens para a visualização no momento 701-709 of 709
Atomização a gás da liga de alumínio AA2017: efeitos dos parâmetros de processo nas características físicas dos pós produzidos visando aplicação em manufatura aditiva
(Universidade Federal de São Carlos, 2022-07-15)
Gas atomization is the main method to produce metal powders for LASER powder bed fusion (L-PBF), which is an additive manufacturing (AM) technique. It produces metallic powders with suitable characteristics to be applied ...
Efeito do tamanho e distribuição de tamanho inicial das partículas da hematita, na cinética de sinterização assistida por micro-ondas
(Universidade Federal de São Carlos, 2021-11-26)
This thesis aimed to study the effect of the initial particle size and its
distribution of hematite on microwave-assisted sintering kinetics. Two synthesis
methods were used: sol-gel and seeded-mediated growth. By sol-gel ...
Solidificação, desenvolvimento microestrutural, propriedades mecânicas, elétricas e de corrosão de ligas Al-Si(-Ag)
(Universidade Federal de São Carlos, 2021-10-27)
In the last years, the development of new light and efficient systems in electric vehicles (EV) opens up new research opportunities. Besides that, the need for internal combustion engine components with optimized properties ...
Fracture of refractories at room and elevated temperatures analyzed with wedge splitting tests and image correlation
(Universidade Federal de São Carlos, 2024-02-20)
Industrial high-temperature processes relies on castable refractories, whose formulation and characterization become crucial for minimizing energy loss and costs. Increasing the failure predictability is key to reducing ...
Vitrocerâmicas de silicato de lítio com gradientes microestruturais - simulações e experimentos
(Universidade Federal de São Carlos, 2022-08-08)
The microstructure of glass-ceramics (GCs) depends on their chemical
composition and thermal history, from the cooling of the precursor glass to the
heat treatments. In glass production, the cooling rate on the surface ...
Desenvolvimento microestrutural, resistências mecânica e à corrosão de ligas Mg-Si e Mg-Si-Zn para aplicações biomédicas
(Universidade Federal de São Carlos, 2024-03-06)
The absorbable alloys, especially those based on Mg, have stood out in biomedical applications due to the possibility of eliminating the need for implant removal surgeries. In the scope of this PhD study, Mg-0.6%Si, ...
Levantamento de correlações de solidificação da liga A356 para aplicação em simulação computacional e projetos de rodas automotivas
(Universidade Federal de São Carlos, 2024-02-27)
Wheels are safety items with high structural demand. AlSi alloys stand out due to their good ratio between density and strength. The use of A356 alloy processed by Low-Pressure Die Casting (LPDC) and T6 heat treatment ...
Avaliação da solidificação e da interface de reação de juntas soldadas de ligas Sn-Bi E Sn-Bi-In em substratos de cobre e níquel
(Universidade Federal de São Carlos, 2024-03-05)
In order to explore the potential of Sn-Bi-In alloy utilization in soldering operations, the present proposal analyzed the influence of In addition (10 wt.%) on solidification, microstructure, wettability, tensile properties, ...
Estudo da solidificação, refusão a laser, propriedades mecânicas e resistência ao desgaste de ligas AlSi10MgXNi (X=0,1,2,3)
(Universidade Federal de São Carlos, 2024-03-01)
The AlSi10Mg alloys play a significant role in industries such as aerospace, automotive, and microelectronics due to a combination of properties and characteristics, including low density, good mechanical properties, ...